DAB2: an adaptor protein that interacts with Grb2, myosin VI, SMAD2/3, DIP1/2, Dvl-3, the integrin betasubunit, and c-Src. Negatively regulates canonical Wnt signaling by stabilizing the beta-catenin degradation complex. A component of the CSF-1 signal transduction pathway. Phosphorylated DAB2 inhibits adhesion and integrin signaling. Two alternatively spliced isoforms are described.
Protein type: Adaptor/scaffold; Tumor suppressor
Cellular Component: apical plasma membrane; clathrin coat of coated pit; clathrin coated vesicle membrane; clathrin-coated vesicle; coated pit; cytoplasm; cytoplasmic vesicle; focal adhesion; intracellular membrane-bound organelle; membrane; nucleolus; nucleus; perinuclear region of cytoplasm; plasma membrane
Molecular Function: clathrin binding; integrin binding; phosphatidylinositol-4,5-bisphosphate binding; phosphoinositide binding; protein binding; protein C-terminus binding; SMAD binding
Biological Process: activation of JNK activity; apoptosis; cell differentiation; cellular morphogenesis during differentiation; clathrin cage assembly; endocytosis; endoderm development; excretion; in utero embryonic development; leading edge cell differentiation; multicellular organismal development; negative regulation of apoptosis; negative regulation of cell growth; negative regulation of epithelial cell proliferation; negative regulation of protein binding; negative regulation of transcription, DNA-dependent; pinocytosis; positive regulation of aldosterone biosynthetic process; positive regulation of cell adhesion; positive regulation of cell migration; positive regulation of endocytosis; positive regulation of proteasomal ubiquitin-dependent protein catabolic process; positive regulation of protein amino acid phosphorylation; positive regulation of receptor internalization; positive regulation of receptor recycling; positive regulation of RNA elongation from RNA polymerase II promoter; positive regulation of transcription, DNA-dependent; positive regulation of transforming growth factor beta receptor signaling pathway; protein transport; receptor-mediated endocytosis; response to steroid hormone stimulus; transport; Wnt receptor signaling pathway
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